α-D-Arabinofuranose, 1,2,3,5-tetraacetate - Names and Identifiers
Name | 1,2,3,5-四-O-乙酰基-α-D-阿拉伯呋喃糖
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Synonyms | NSC 108078 α-D-Arabinofuranose tetraacetate a-D-Arabinofuranose, tetraacetate α-D-Arabinofuranose, 1,2,3,5-tetraacetate 1,2,3,5-tetra-o-acetyl-α-d-arabinofuranose 1-O,2-O,3-O,5-O-Tetraacetyl-α-D-arabinofuranose Acetyl 2-O,3-O,5-O-triacetyl-α-D-arabinofuranoside
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CAS | 43225-70-3
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α-D-Arabinofuranose, 1,2,3,5-tetraacetate - Physico-chemical Properties
Molecular Formula | C13H18O9
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Molar Mass | 318.28 |
Density | 1.31g/mLat 25°C(lit.) |
Boling Point | 140°C/0.01mmHg(lit.) |
Solubility | Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly) |
Appearance | Colourless to Off-White Oil to Semi-Solid |
Storage Condition | 2-8°C |
Refractive Index | n20/D 1.4500(lit.) |
α-D-Arabinofuranose, 1,2,3,5-tetraacetate - Risk and Safety
Hazard Symbols | Xi - Irritant
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Risk Codes | R43 - May cause sensitization by skin contact
R41 - Risk of serious damage to eyes
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Safety Description | S37/39 - Wear suitable gloves and eye/face protection
S39 - Wear eye / face protection.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
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WGK Germany | 3 |
α-D-Arabinofuranose, 1,2,3,5-tetraacetate - Introduction
1,2, 3,5-Tetra-O-acetyl-α-D-arabinofuranose is a chemical compound with the formula C12H18O9. It is a white solid substance with a sweet taste.
The main use of this compound is as a sweetener in the food industry. Its sweetness is about 1/3 of sucrose and its calories are low, so it is widely used in low-calorie foods or diabetic foods.
The common method for preparing 1,2,3,5-tetra-O-acetyl-α-D-arabinofuranose is to react arabinofuranose with acetic anhydride under the catalysis of sulfuric acid to generate the compound. The reaction conditions require control of temperature and pH to ensure high yield and selectivity of the reaction.
Regarding safety information, 1,2,3,5-tetra-O-acetyl-α-D-arabinofuranose is a food additive and is generally considered to be relatively safe. However, some people may be allergic to it or have an allergic reaction to its use. In addition, excessive intake may cause stomach upset or digestive problems. When using, you should follow the safe dosage standards of food additives and pay attention to the personal tolerance of the compound.
Last Update:2024-04-09 20:52:54